Cornerstone One Llc is an active intrastate non-hazmat carrier based in Brookfield, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 14 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 97% | 97% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 99% | 99% | Worse than most peers |
| Controlled Substances | 100% | 100% | Worse than most peers |
| Vehicle Maintenance | 97% | 94% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 3 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state WI accounts for 100% of activity. Activity outside home state (WI): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 11, 2025 | WI | STRAIGHT TRUCK | 3 | 1 |
| Jul 24, 2025 | WI | STRAIGHT TRUCK | 4 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 12
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Bob Anderson · also at 8 others
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 6.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 8.00 | — |
| Driver Fitness | 1 | 6.50 | — |
| Controlled Substances | 1 | 5.00 | Alert |
| 1 |
| 1 |
| Driver Fitness | 2 | 1 | 2 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| Unsafe Driving | 1 | 1 | 0 |
| Dec 11, 2025 |
| 39343DBMA |
| Brake - Breakaway not attached to the towing vehicle |
| Vehicle Maintenance |
| Yes |
| Dec 11, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Dec 11, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jul 24, 2025 | 38351ALCDLRSWD | License (CDL) - A person required to have a CLP or CDL who is disqualified must not drive a CMV | Driver Fitness | Yes |
| Jul 24, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Jul 24, 2025 | 39215 | Driver Prohibited from Performing Safety Sensitive Functions per 382.501(a) in the Drug and Alcohol Clearinghouse | Controlled Substances/​Alcohol | Yes |
| Jul 24, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
Bob Anderson
Ribera, NM
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+2 more